Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/59103

59103

ZIP 59103 is in Billings, Montana, in Yellowstone County; area code 406; Mountain time. Billings has 14 ZIP codes in all.

Type
No street area
Time zone
America/Denver
County
Yellowstone
Metro area
Billings, MT
Coordinates
45.7833, -108.5007

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 59101, whose figures describe that area — not this ZIP code.

☼ Live from 59103 — Billings, MT

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 59103 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 59103
  • 🔢 Type 59103 into a pocket calculator and turn it upside down: EOIGS — not quite a word, sorry.
  • ➕ As a number, 59,103 = 3 × 3 × 3 × 11 × 199. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110011011011111
  • 🏠 Its numerical neighbours: 59102 (Billings, MT, 4 mi away) and 59104 (Billings, MT, 0 mi away).
  • 🔄 Backwards, 59103 becomes 30195, which is not a ZIP code at all.
  • 👥 46 other ZIP codes are made of exactly the same digits (09351, 10953, 13905, 15930, 19035, 19053, …). The farthest-flung twin is 09351 in APO AE, a military post office, 4,913 miles away.
  • 🧭 Farther north than 93% of all ZIP codes, and farther west than 85%.
  • 🎯649 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 59103 and you would come out at 45.78°S, 71.50°E — 253 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 43m of daylight. Shortest: 8h 40m.
🌙 The sky over 59103 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments39This ZIP39
Employees884This ZIP884
Annual payroll$104,436,000This ZIP$104,436,000

Land area

ZIP codes near 59103

ZIPCityDistance
59104 Billings, MT 0.0 mi
59108 Billings, MT 0.0 mi
59111 Billings, MT 0.0 mi
59112 Billings, MT 0.0 mi
59114 Billings, MT 0.0 mi
59115 Billings, MT 0.0 mi
59116 Billings, MT 0.0 mi
59117 Billings, MT 0.0 mi
59102 Billings, MT 3.9 mi
59107 Billings, MT 5.9 mi

Find every ZIP code within 10 miles of 59103 →

Questions about this ZIP code

Where is ZIP code 59103?

59103 is in Billings, Montana, in Yellowstone County, part of the Billings, MT metropolitan area. Its published point location is 45.7833, -108.5007.

What county is 59103 in?

59103 lies in Yellowstone County.

What area code is 59103?

Billings uses area code 406, from NANPA's telephone records.

What time zone is 59103 in?

59103 uses America/Denver.

What ZIP codes are near 59103?

The closest are 59104 (0 mi), 59108 (0 mi), 59111 (0 mi), 59112 (0 mi) and 59114 (0 mi).

Is 59103 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

Download or cite

Cite this page

zipcodes.pro. “59103 ZIP Code — Billings, Montana (Yellowstone County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/59103

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/59103.json

Underlying data is public domain or openly licensed — sources, vintages and licences.